body {
    .tabs {
      width: 400px;
      height: 40px;
      background-color: pink;
    }
    .box {
      width: 100px;
      height: 100px;
      background-image: url(../assets/logo_small.png);
    }
    
    .box2 {
      width: 100px;
      height: 100px;
      background-image: url(../assets/1.gif);
    }
  }